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comparison Framework/Plugins/OptimizedRoutes.cpp @ 161:2ccde9c7311b optimized-routes

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added new optimized REST routes. this is a temporary work to try to speed up some routes (used by LRO). This way, we avoid another app to access the Orthanc DB and we skip the plugin SDK update for a very specific route
author Alain Mazy <alain@mazy.be>
date Fri, 10 Jul 2020 13:26:47 +0200
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children 6f83b74373d3
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160:84b6fc6f6b9b 161:2ccde9c7311b
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "OptimizedRoutes.h"
23 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
24
25 #include <string>
26 #include <map>
27 #include <list>
28 #include <json/writer.h>
29 #include <json/value.h>
30 #include <boost/algorithm/string.hpp> // for boost::algorithm::split & boost::starts_with
31
32 static OrthancDatabases::IndexBackend* backend_;
33 static OrthancPluginContext* context_;
34
35 extern "C"
36 {
37
38 // handles url like /optimized-routes/studies/{id)/instances-metadata?types=1,10
39 OrthancPluginErrorCode RestGetStudiesInstancesMetadata(OrthancPluginRestOutput* output,
40 const char* /* url */,
41 const OrthancPluginHttpRequest* request)
42 {
43 std::list<int32_t> metadataTypes;
44 for (uint32_t i = 0; i < request->getCount; i++)
45 {
46 if (strcmp(request->getKeys[i], "types") == 0)
47 {
48 std::string getValue(request->getValues[i]);
49 std::vector<std::string> typesString;
50 boost::algorithm::split(typesString, getValue, boost::is_any_of(","));
51
52 for (size_t t = 0; t < typesString.size(); t++)
53 {
54 int32_t metadataType = boost::lexical_cast<int32_t>(typesString[t]);
55 metadataTypes.push_back(metadataType);
56 }
57 }
58 }
59
60 std::map<std::string, std::map<int32_t, std::string>> result;
61 std::string orthancId = std::string(request->groups[0]);
62 backend_->GetStudyInstancesMetadata(result,
63 orthancId,
64 metadataTypes);
65
66 Json::Value response(Json::objectValue);
67 for (std::map<std::string, std::map<int32_t, std::string>>::const_iterator itInstance = result.begin(); itInstance != result.end(); itInstance++)
68 {
69 Json::Value instanceMetadatas;
70 for (std::map<int32_t, std::string>::const_iterator itMetadata = itInstance->second.begin(); itMetadata != itInstance->second.end(); itMetadata++)
71 {
72 std::string id = boost::lexical_cast<std::string>(itMetadata->first);
73 instanceMetadatas[id] = itMetadata->second;
74 }
75
76 response[itInstance->first] = instanceMetadatas;
77 }
78
79 Json::StyledWriter writer;
80 std::string outputStr = writer.write(response);
81 OrthancPluginAnswerBuffer(context_, output, outputStr.c_str(), outputStr.size(), "application/json");
82
83 return OrthancPluginErrorCode_Success;
84 }
85
86 // handles url like /optimized-routes/studies/{id)/instances-ids
87 OrthancPluginErrorCode RestGetStudiesInstancesIds(OrthancPluginRestOutput* output,
88 const char* /*url*/,
89 const OrthancPluginHttpRequest* request)
90 {
91 std::list<std::string> result;
92 std::string orthancId = std::string(request->groups[0]);
93 backend_->GetStudyInstancesIds(result,
94 orthancId);
95
96 Json::Value response(Json::arrayValue);
97 for (std::list<std::string>::const_iterator itInstance = result.begin(); itInstance != result.end(); itInstance++)
98 {
99 response.append(*itInstance);
100 }
101
102 Json::StyledWriter writer;
103 std::string outputStr = writer.write(response);
104 OrthancPluginAnswerBuffer(context_, output, outputStr.c_str(), outputStr.size(), "application/json");
105
106 return OrthancPluginErrorCode_Success;
107 }
108 }
109
110 namespace OrthancDatabases {
111
112 void OptimizedRoutes::EnableOptimizedRoutes(IndexBackend *backend, OrthancPluginContext *context)
113 {
114 backend_ = backend;
115 context_ = context;
116 // Register optimized rest routes (temporary)
117 OrthancPluginRegisterRestCallbackNoLock(context_, "/optimized-routes/studies/(.*)/instances-metadata", RestGetStudiesInstancesMetadata);
118 OrthancPluginRegisterRestCallbackNoLock(context_, "/optimized-routes/studies/(.*)/instances-ids", RestGetStudiesInstancesIds);
119 }
120 }